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Tuesday, September 17th 2002
Linear Algebraic Approach To Quaternions
09:48 PM
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Magic Software has been updated with a new document (PDF) by Dave Eberly, entitled "A Linear Algebraic Approach to Quaternions." Here's a clip from the abstract:

"Unit quaternions are a powerful way to represent rotations within computer graphics and physics applications. Unfortunately, the mathematical complexity of quaternions seems to discourage some practitioners from any attempts at understanding them. This document provides an alternate approach to the presentation of quaternions, one that is based solely on concepts from trigonometry and linear algebra."

The document is available here.
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